Core Viewpoint - Solid-state battery additives are crucial materials for enhancing battery performance, such as ionic conductivity and interface stability, with a comprehensive ranking based on technology routes, production capacity, and market performance. Group 1: LiFSI (Lithium bis(fluorosulfonyl)imide) Sector - Ruifai New Materials ranks among the top three global LiFSI producers, with a production capacity exceeding 10,000 tons by 2025, suitable for high-voltage solid-state battery requirements. The purity reaches 99.9%, and costs are 15% lower than traditional lithium hexafluorophosphate. The company has supplied to CATL and BYD for solid-state battery projects [1]. - Limin Co., Ltd. has extended its technology through its subsidiary Zhuobang New Energy, ranking among the top three in LiFSI production capacity, suitable for high-safety scenarios like robotics and flying cars [2]. - The customer network of Limin Co., Ltd. includes leading battery companies such as CATL and Tesla, with overseas orders expected to grow by 85% in 2024 [3]. Group 2: Sulfide Electrolyte Precursors - Tianci Materials is the largest electrolyte liquid company globally, extending LiFSI technology to sulfide electrolyte precursors, with costs 44% lower than Japanese competitors. By 2025, LiFSI production capacity will expand to 20,000 tons, supporting sulfide all-solid-state battery production lines [5]. - Tianci Materials holds over 60% market share in the global sulfide precursor market, with a binding relationship with Yunnan Germanium for raw materials. The ionic conductivity of sulfide electrolytes reaches 10 mS/cm, with costs 40% lower than similar Japanese products [5]. - The market share of zirconium oxychloride exceeds 50%, compatible with both oxide and sulfide dual technology routes, with samples sent to leading companies like Qingtai Energy. By 2025, zirconium-based material production capacity will reach 20,000 tons, covering key raw material needs for electrolytes [5]. Group 3: Chlorosulfonic Acid (LiFSI Raw Material) - Shilong Industrial has a cost advantage, with chlorosulfonic acid production costs 20% lower than the industry average, having entered the supply chains of Tianci Materials and Ruifai New Materials [6]. Group 4: Other Key Additives - Longpan Technology and Aoke Co., Ltd. have achieved a production capacity of 5,000 tons/year for solvent-based additives for solid-state batteries, suitable for optimizing sulfide electrolyte interfaces [7]. Group 5: Potential Enterprises - Daoshi Technology is focusing on conductive agents (carbon nanotubes) and silicon-carbon negative electrode additives, catering to the high energy density requirements of solid-state batteries [8]. - Guanghua Technology is developing lithium salts (LiTFSI) and composite additives to enhance the cycle life of solid-state batteries [9]. Group 6: Industry Leaders - Kaisheng New Materials is the largest chlorosulfonic acid supplier globally, with a production capacity exceeding 100,000 tons/year and a market share over 40%. The purity reaches electronic grade (99.999%), suitable for solid-state battery electrolyte synthesis [12]. - The company possesses a technical barrier, being one of the few globally to master full-solid-state compatible additive technology, with a projected market share growth to 18% in 2024. Key clients include CATL and Tesla, with plans to double production capacity by 2025 [13].